Squeaky Clean produces commercial strength cleansing supplies. Two of its main products are window cleanser that uses ammonia, and floor cleanser that uses bleach. Information for the most recent period follows: Window Cleaner (ammonia) Floor Cleaner (bleach) 29 oz. ? Product Names Direct materials information Standard ounces per unit Standard price (SP) per ounce Actual quantity (AQ) used per unit Actual price (AP) paid for material Actual quantity purchased (AQP) and used Price variance Quantity variance Flexible budget variance 12 oz. $1.50 22 oz. $0.75 1,500 oz. 15 oz. $0.79 2,500 oz. $225 U ? $4,675 F $6,000 U ? O A. $0.45/oz. B. $0.70/oz. C. $11.90/oz. OD. $11.11/oz